<template>
	<view>
	<view class="cart-container" v-if="cart.length !== 0">
		<!-- 收货地址 -->
		<my-address></my-address>
		<!-- 购物车商品列表的标题区域 -->
		<view class="cart-title">
		  <!-- 左侧的图标 -->
		  <uni-icons type="shop" size="18"></uni-icons>
		  <!-- 描述文本 -->
		  <text class="cart-title-text">购物车</text>
		</view>
		<!-- 商品列表区域 -->	  		
		<uni-swipe-action>
			<block v-for="(goods, i) in cart" :key="i">
				<uni-swipe-action-item :right-options="options" @click="bindClick(goods)">
					<my-goods :goods="goods" :show-radio="true" :showNum="true" @num-change="numberChangeHandler" @radio-change="radioChangeHandler"></my-goods>
				</uni-swipe-action-item>
			</block>
		</uni-swipe-action>
		<!-- 结算区域 -->
		<my-settle></my-settle>
	</view>
	<view class="empty-cart" v-else>
		<image src="/static/cart_empty@2x.png" class="empty-img"></image>
		<text class="tip-text">空空如也~</text>
	</view>
	</view>
</template>

<script>
	import {mapGetters} from 'vuex'
	import badgeMix from "@/mixins/tabbar-badge.js"
	import { mapState } from 'vuex'
	import { mapMutations } from 'vuex'
	export default {
		mixins: [badgeMix],
		
		data() {
			return {
				options:[
				        {
				            text: '删除',
				            style: {
				                backgroundColor: '#c00000'
				            }
				        }
				      ]
			};
		},
		computed:{
			 // 将 m_cart 模块中的 cart 数组映射到当前页面中使用
			    ...mapState('m_cart', ['cart']),
		},
		methods:{
			...mapMutations('m_cart', ['updateGoodsState','updateGoodsCount','removeGoodsById']),
			setBage(){
				uni.setTabBarBadge({
					index: 2,
					text: this.total + ''
				})
			},
			radioChangeHandler(e){
				console.log(e)
				this.updateGoodsState(e)
			},
			numberChangeHandler(e) {
			  this.updateGoodsCount(e);
			},
			bindClick(goods){
				this.removeGoodsById(goods.goods_id)
			}
			// 商品数量发生了变化
		}
	}
</script>

<style lang="scss">
.cart-title {
  height: 40px;
  display: flex;
  align-items: center;
  font-size: 14px;
  padding-left: 5px;
  border-bottom: 1px solid #efefef;
  .cart-title-text {
    margin-left: 10px;
  }
}
.cart-container {
  padding-bottom: 50px;
}
.empty-cart {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 150px;

  .empty-img {
    width: 90px;
    height: 90px;
  }

  .tip-text {
    font-size: 12px;
    color: gray;
    margin-top: 15px;
  }
}
</style>
